MAJIC Media Node — installer bundle
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1. Unzip anywhere (e.g. C:\Majic\media).
2. From an ELEVATED PowerShell (Run as Administrator), run with an execution-policy bypass:
     powershell -NoProfile -ExecutionPolicy Bypass -File .\Install-MajicMediaNode.ps1 `
         -RegistryUrl <registry-url-from-your-MAJIC-admin> `
         -ShareUnc <media-share-from-your-MAJIC-admin>
3. The installer creates a Python venv, installs deps, probes your GPU, and enrolls the
   node with the MAJIC media registry endpoint you supply.

NOTE: enrollment requires a registry endpoint and share path provided by your MAJIC
administrator/orchestrator. A node only contributes (or is reachable) when the
orchestrator calls it directly — running this installer alone does NOT grant any access
to MAJIC systems.

Files:
  Install-MajicMediaNode.ps1  - bootstrap installer (run this)
  MajicMediaNode.psm1         - PowerShell module (service mgmt, enroll, heartbeat)
  media_node_server.py        - the node's local generation server
